JPS61287408A - Support of mineral membrane for separation technique and itsproduction - Google Patents

Support of mineral membrane for separation technique and itsproduction

Info

Publication number
JPS61287408A
JPS61287408A JP61133594A JP13359486A JPS61287408A JP S61287408 A JPS61287408 A JP S61287408A JP 61133594 A JP61133594 A JP 61133594A JP 13359486 A JP13359486 A JP 13359486A JP S61287408 A JPS61287408 A JP S61287408A
Authority
JP
Japan
Prior art keywords
carbon
composite material
support
support according
porous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP61133594A
Other languages
Japanese (ja)
Other versions
JPH04689B2 (en
Inventor
ジヤン−ミツシエル・ボエール
ジヤツク・メール
モーリス・ヴエルナ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mersen SA
Original Assignee
Carbone Lorraine SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carbone Lorraine SA filed Critical Carbone Lorraine SA
Publication of JPS61287408A publication Critical patent/JPS61287408A/en
Publication of JPH04689B2 publication Critical patent/JPH04689B2/ja
Granted legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0041—Inorganic membrane manufacture by agglomeration of particles in the dry state
    • B01D67/00411—Inorganic membrane manufacture by agglomeration of particles in the dry state by sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0067—Inorganic membrane manufacture by carbonisation or pyrolysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0072—Inorganic membrane manufacture by deposition from the gaseous phase, e.g. sputtering, CVD, PVD
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/04—Tubular membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/108—Inorganic support material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/021—Carbon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83—Carbon fibres in a carbon matrix
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0022—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof obtained by a chemical conversion or reaction other than those relating to the setting or hardening of cement-like material or to the formation of a sol or a gel, e.g. by carbonising or pyrolysing preformed cellular materials based on polymers, organo-metallic or organo-silicon precursors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/24—Mechanical properties, e.g. strength
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • C04B2111/00801—Membranes; Diaphragms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249955—Void-containing component partially impregnated with adjacent component
    • Y10T428/249956—Void-containing component is inorganic
    • Y10T428/249957—Inorganic impregnant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981—Plural void-containing components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Composite Materials (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Ceramic Products (AREA)
  • Filtering Materials (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 発明の技術分野 本発明は、分離技術用鉱物膜を受容するための支持体、
及び該支持体の製造方法に係る。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a support for receiving mineral membranes for separation technology;
and a method for manufacturing the support.

従来の技術 分離技術において、逆浸透、限外濾過及び微量濾過のよ
うな工程では有機膜又は数年来の傾向として鉱物膜を使
用している。使用される型に応じてこれらの膜は、過度
の圧力低下を生じることなく実質的な流量を確保できる
ように好適な小さい孔寸法と最小の厚さとを有する必要
がある。鉱物膜の場合には、機械的に強度な支持体を備
える必要がある。Conventional technology separation techniques use organic membranes or, as has been the trend for several years, mineral membranes in processes such as reverse osmosis, ultrafiltration and microfiltration. Depending on the type used, these membranes should have suitably small pore sizes and minimal thickness to ensure a substantial flow rate without excessive pressure drop. In the case of mineral membranes, it is necessary to provide a mechanically strong support.

これらの種々の基準を満足するために、鉱物模型の分離
要素は一般に多孔性支持体から構成されており、支持体
（アルミナ、炭化ケイ素、炭素、酸化ジルコニウム、酸
化チタン等）の一方の面にはセラミック材料層（鉱物膜
）が堆積及び焼結されている。留意すべき点として、支
持体の多孔質テキスチャーは選択される鉱物膜に適合さ
せる必要がある。In order to meet these various criteria, the separation elements of mineral models are generally constructed from a porous support, with a metal oxide on one side of the support (alumina, silicon carbide, carbon, zirconium oxide, titanium oxide, etc.). A layer of ceramic material (mineral film) is deposited and sintered. It should be noted that the porous texture of the support needs to be matched to the mineral membrane chosen.

晩広ずべき技術！川 十分な機械的特性、特に管の破裂、曲げ及び破砕強さを
得るためには、支持体を厚くする必要があるが、これは
最大限の浸透率を得るためには不−３＝ 利である。A technique that should be spread throughout the day! In order to obtain sufficient mechanical properties, especially the burst, bending and crushing strength of the tube, it is necessary to increase the thickness of the support, which is disadvantageous in order to obtain maximum permeability. It is.

本発明の主要な目的は、機械的強さと好適な多孔質テキ
スチャーとを維持しながら上記欠点を解決することにあ
る。The main objective of the present invention is to overcome the above-mentioned drawbacks while maintaining mechanical strength and a suitable porous texture.

発明の説明 上記目的は、鉱物膜を受容するための支持体に関する本
発明によって達成され、該支持体は機械的に強く且つ鉱
物膜に適合する多孔質テキスチャーを有する厚さの小さ
い炭素−炭素複合材料により構成されていることを特徴
とする。DESCRIPTION OF THE INVENTION The above object is achieved by the present invention, which relates to a support for receiving a mineral film, the support being a carbon-carbon composite of low thickness with a porous texture that is mechanically strong and compatible with the mineral film. It is characterized by being made of material.

前記炭素−炭素複合材料は、カーボンフェルト、クロー
ス又はファイバー単独又はこれらの組み合わせから成る
基板と、炭素マトリックスとから構成される多孔性複合
材料から選択され得る。The carbon-carbon composite material may be selected from porous composite materials consisting of a substrate consisting of carbon felt, cloth or fibers alone or in combination, and a carbon matrix.

支持体は、プレート、管等種々の形態であり得る。The support can be in various forms such as a plate, a tube, etc.

各種形態の炭素−炭素複合材料の製造方法として多くの
方法がある。There are many methods for manufacturing carbon-carbon composite materials in various forms.

一４＝ 特に炭素−炭素複合材料を成形すること、即ち炭素によ
り構成される結合によって剛性を与えられた炭素テキス
タイル材料（ファイバー及び／又はクロース及び／又は
フェルト等）から基板を成形することが知られており、
前記結合は、成形以前に基板に炭化可能な樹脂を含浸さ
せることにより又は支持体の成形後に蒸気相から炭素を
堆積させることにより得られる。14= It is known in particular to mold carbon-carbon composite materials, i.e. to mold substrates from carbon textile materials (such as fibers and/or cloth and/or felt) which are given stiffness by bonds constituted by carbon. has been
Said bond is obtained by impregnating the substrate with a carbonizable resin before shaping or by depositing carbon from the vapor phase after shaping the support.

このような構造を製造することにより、厚さが小さい場
合にも頑丈で且つ剛性の材料が得られる。Manufacturing such a structure results in a strong and rigid material even at small thicknesses.

しかしながら、材料を剛性化した後もテキスチャーは比
較的粗状態のままであり、（メツシュ間に）かなりの寸
法の孔が見られる。このような孔は分離技術用の支持体
として使用できない。However, even after stiffening the material, the texture remains relatively coarse and pores of considerable size are visible (between the meshes). Such pores cannot be used as supports for separation techniques.

この分野での使用に適合させるために、本発明は多孔性
構造の調整を実施する。To adapt it to use in this field, the present invention carries out adjustments to the porous structure.

このような調整は、炭化可能な材料の含浸とそれに続く
炭化工程によって得られ、この含浸−炭化工程は場合に
よっては所望の多孔質テキスチャーを得るために複数回
必要である。Such adjustment is obtained by impregnation of a carbonizable material followed by a carbonization step, which may be necessary multiple times to obtain the desired porous texture.

ピッチと硫酸エチルで触媒処理されたフルフラールとの
混合物を使用することにより良好な結果が得られた。Good results were obtained using a mixture of pitch and furfural catalyzed with ethyl sulfate.

実際に、このような混合物を炭化することにより、最大
の孔内に球状で生じるコークスの含有量が非常に高い生
成物が得られた。In fact, carbonization of such a mixture resulted in a product with a very high content of coke, which occurs in the form of spheres within the largest pores.

フェノール樹脂及びフラン樹脂及びピッチを使用するこ
とも可能である。It is also possible to use phenolic and furan resins and pitch.

多孔質テキスチャーの調整は、単に蒸気相から炭素を堆
積させるか又はこの堆積工程と炭化可能な材料の含浸−
炭化工程とを組み合わせることによっても実施され得る
。Porous texture preparation can be achieved by simply depositing carbon from the vapor phase or by combining this deposition process with impregnation of carbonizable material.
It can also be carried out in combination with a carbonization step.

いずれの場合もこうして処理された複合材料の機械的特
性は著しく改良されていることに留意されたい。It is noted that in each case the mechanical properties of the composite materials treated in this way are significantly improved.

上述したように、剛性化された炭素−炭素複合材料を成
形するためには、炭素テキスタイル材料基板（ファイバ
ー及び／又はクロース及び／又はフェルト）を使用する
ことが可能である。As mentioned above, carbon textile material substrates (fibers and/or cloths and/or felts) can be used to form stiffened carbon-carbon composites.

本発明の支持体を製造するためには、任意に配置された
ファイバーマットにクロース３００　ｇ　／　ｍＬ又は
クロース４００　ｇ　／　ｍ”ｉを組み合わせることが
特に好適である。To produce the supports of the invention, it is particularly suitable to combine 300 g/ml of cloth or 400 g/m"i of cloth with optionally arranged fiber mats.

また、網状ポリマーのファイバー、クロース又はフェル
トを単独又は組み合わせて使用することも可能であり、
これらの材料はその後、剛性化処理時に炭化される。It is also possible to use reticulated polymer fibers, cloth or felt alone or in combination;
These materials are then carbonized during the stiffening process.

炭化可能な樹脂を使用して材料を剛性化する場合、使用
される樹脂は好ましくはコークス含有量が高い（５０％
上り大）樹脂である。フェノール樹脂はこの点で特に好
適である。When carbonizable resins are used to stiffen the material, the resins used preferably have a high coke content (50%
(large) resin. Phenolic resins are particularly suitable in this respect.

所望の支持体形態に複合材料を成形する工程は、任意の
好適な方法により実施され得、管の製造用としてフィラ
メント巻き込み、クロース巻き込み、プレート製造用と
してクロース、フェルト等のスタック形成等が挙げられ
る。Forming the composite material into the desired support form may be carried out by any suitable method, including filament winding, cloth winding for the manufacture of tubes, stack formation of cloth, felt, etc. for the manufacture of plates. .

ところで、炭化可能な樹脂を使用して材料を剛性化する
場合、経済的な観点から特に好適な方法がある。それは
、［パルトリュージョン（ｐｕｌｔｒｕ−ｓｉｏｎ）Ｊ
と称される連続法である。この方法では、特にクロース
とフェルトとを組み合わせる構造を製造することが可能
であり、従来の方法のように成形及び重合用ダイ中で樹
脂を予め含浸後、該樹脂により飽和された長文なファイ
バーの「粗紡糸（ｒｏｖｉｎｇｓ）　Ｊを引きイ申ばす
のではなく、カーボンフェルト及びクロースを同時に使
用し引き伸ばす。By the way, when stiffening a material using a carbonizable resin, there is a particularly suitable method from an economical point of view. It is [Pultrusion (Pultrusion) J
This is a continuous method called . In this way it is possible to produce structures in particular combining cloth and felt, and after pre-impregnation with resin in a molding and polymerization die as in conventional methods, long fibers saturated with the resin can be produced. ``Rovings'' Rather than pulling the yarn, carbon felt and cloth are used at the same time to stretch it.

これらの材料は同様に入口又は成形ダイ内で樹脂により
飽和される。こうして製造された複合材料は剛性であり
、その後、支持体の使用温度よりも高い温度で空気の不
在下に炭化される。These materials are similarly saturated with resin at the inlet or within the molding die. The composite material produced in this way is rigid and is then carbonized in the absence of air at a temperature above the operating temperature of the support.

本発明の支持体は、逆浸透、限外濾過及び微量濾過のよ
うな分離技術で使用可能な鉱物模型の分＝８− 雌要素の製造に特に適している。The supports of the invention are particularly suitable for the production of female elements of mineral models that can be used in separation techniques such as reverse osmosis, ultrafiltration and microfiltration.

更に、本発明の支持体は鉱物膜を付加せずに接面微ｆＪ
ｋ’？過（ｔａｎｇｅｎ目ａｌ　ｍ１ｃｒｏｆｉｌｔｒ
ａｔｉｏｎ）用要素としてそのまま使用できることに留
意されたい。Furthermore, the support of the present invention has a small contact surface fJ without adding a mineral film.
k'? (tangen eye al m1crofiltr)
Note that it can be used as is as an element for cation).

Claims (10)

【特許請求の範囲】[Claims] （１）分離技術で使用可能な鉱物膜を受容するための支
持体であって、機械的に強く且つ鉱物膜に好適な多孔質
テキスチャーを有する厚さの小さい炭素−炭素複合材料
から構成されていることを特徴とする支持体。(1) A support for receiving a mineral membrane that can be used in separation technology, which is composed of a small-thickness carbon-carbon composite material that is mechanically strong and has a porous texture suitable for mineral membranes. A support body characterized by: （２）前記炭素−炭素複合材料が、カーボンフェルト、
クロース又はファイバー単独又はこれらの組み合わせか
ら成る基板と炭素マトリックスとから構成される多孔性
複合材料から選択されることを特徴とする特許請求の範
囲第１項に記載の支持体。(2) The carbon-carbon composite material is carbon felt,
Support according to claim 1, characterized in that it is selected from porous composite materials consisting of a carbon matrix and a substrate consisting of cloth or fibers alone or in combination. （３）管状であることを特徴とする特許請求の範囲第１
項又は第２項に記載の支持体。(3) Claim 1 characterized in that it is tubular.
The support according to item 1 or 2. （４）プレート状であることを特徴とする特許請求の範
囲第１項又は第２項に記載の支持体。(4) The support according to claim 1 or 2, which is plate-shaped. （５）特許請求の範囲第１項から第４項のいずれかに記
載の支持体を備えていることを特徴とする分離技術用の
鉱物膜型分離要素。(5) A mineral membrane type separation element for separation technology, comprising the support according to any one of claims 1 to 4. （６）特許請求の範囲第１項から第４項のいずれかに記
載の支持体のみによって構成されていることを特徴とす
る接面微量濾過用分離要素。(6) A separation element for tangential microfiltration, characterized in that it is constituted only by the support according to any one of claims 1 to 4. （７）炭素により構成される結合によって剛性化された
炭素テキスタイル材料の基板から成る多孔性炭素−炭素
複合材料を成形する特許請求の範囲第１項から第４項の
いずれかに記載の支持体の製造方法であって、前記複合
材料の多孔質テキスチャーを調整することを特徴とする
方法。(7) The support according to any one of claims 1 to 4, which forms a porous carbon-carbon composite material comprising a substrate of carbon textile material made rigid by bonds constituted by carbon. A method for producing a composite material, the method comprising adjusting the porous texture of the composite material. （８）複合材料に炭化可能な材料を含浸させた後、炭化
処理を実施し、場合によってはこの含浸−炭化処理を複
数回反復することによって、複合材料の多孔質テキスチ
ャーを調整することを特徴とする特許請求の範囲第７項
に記載の方法。(8) The porous texture of the composite material is adjusted by impregnating the composite material with a carbonizable material and then performing a carbonization treatment, and in some cases repeating this impregnation-carbonization treatment multiple times. The method according to claim 7. （９）単に蒸気相から堆積させることにより又は炭化可
能な材料の含浸−炭化工程と前記堆積工程と組み合わせ
ることにより複合材料の多孔質テキスチャーを調整する
ことを特徴とする特許請求の範囲第７項に記載の方法。(9) The porous texture of the composite material is adjusted by simply depositing it from the vapor phase or by combining an impregnation-carbonization step of a carbonizable material with said deposition step. The method described in. （１０）前記炭化可能な材料が、フェノール樹脂及びフ
ラン樹脂、ピッチ及びピッチと硫酸エチルで触媒処理さ
れたフルフラールとの混合物から選択されることを特徴
とする特許請求の範囲第８項又は第９項に記載の方法。(10) The carbonizable material is selected from phenolic resins and furan resins, pitch and mixtures of pitch and furfural catalyzed with ethyl sulfate. The method described in section.
JP61133594A 1985-06-10 1986-06-09 Support of mineral membrane for separation technique and itsproduction Granted JPS61287408A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8509264 1985-06-10
FR8509264A FR2582956B1 (en) 1985-06-10 1985-06-10 MINERAL MEMBRANE SUPPORT FOR SEPARATE TECHNIQUES AND METHODS OF MANUFACTURE THEREOF

Publications (2)

Publication Number Publication Date
JPS61287408A true JPS61287408A (en) 1986-12-17
JPH04689B2 JPH04689B2 (en) 1992-01-08

Family

ID=9320392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61133594A Granted JPS61287408A (en) 1985-06-10 1986-06-09 Support of mineral membrane for separation technique and itsproduction

Country Status (9)

Country Link
US (1) US4944996A (en)
EP (1) EP0208629B1 (en)
JP (1) JPS61287408A (en)
KR (1) KR870000089A (en)
AT (1) ATE42687T1 (en)
BR (1) BR8602671A (en)
DE (1) DE3663112D1 (en)
FR (1) FR2582956B1 (en)
IL (1) IL79033A (en)

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US7542817B2 (en) 1995-02-14 2009-06-02 Aztec Ip Company, L.L.C. Method and apparatus for manufacturing objects having optimized response characteristics

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ES2034629T3 (en) * 1988-05-24 1993-04-01 Ceramesh Limited COMPOUND MEMBRANES.
US5605628A (en) * 1988-05-24 1997-02-25 North West Water Group Plc Composite membranes
FR2664889B1 (en) * 1990-07-17 1992-09-25 Lorraine Carbone POROUS CARBON-CARBON COMPOSITE FILTERING MEMBRANE SUPPORT WITH CARBON FIBER SUBSTRATE AND MANUFACTURING METHOD THEREOF.
FR2665087B1 (en) * 1990-07-24 1992-10-09 Lorraine Carbone PROCESS FOR THE MANUFACTURE OF AN ULTRA-THIN AND ASYMMETRIC MINERAL MEMBRANE.
FR2671735B1 (en) * 1991-01-18 1994-04-08 Pechiney Recherche PROCESS FOR THE MANUFACTURE OF POROUS TUBES, OF HIGH PERMEABILITY, IN CARBON-CARBON COMPOSITE MATERIAL AND THEIR APPLICATIONS.
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US5703359A (en) * 1996-07-29 1997-12-30 Leybold Inficon, Inc. Composite membrane and support assembly
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912883A (en) * 1989-02-13 1990-04-03 International Business Machines Corporation Lapping control system for magnetic transducers
US7542817B2 (en) 1995-02-14 2009-06-02 Aztec Ip Company, L.L.C. Method and apparatus for manufacturing objects having optimized response characteristics

Also Published As

Publication number Publication date
FR2582956A1 (en) 1986-12-12
EP0208629B1 (en) 1989-05-03
US4944996A (en) 1990-07-31
EP0208629A1 (en) 1987-01-14
IL79033A (en) 1989-03-31
JPH04689B2 (en) 1992-01-08
IL79033A0 (en) 1986-09-30
ATE42687T1 (en) 1989-05-15
FR2582956B1 (en) 1987-07-31
DE3663112D1 (en) 1989-06-08
BR8602671A (en) 1987-02-03
KR870000089A (en) 1987-02-16

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